Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-10 Thread Mike Galbraith
On Fri, 2013-01-11 at 06:22 +0100, Mike Galbraith wrote: > On Thu, 2013-01-10 at 13:58 -0600, Shawn Bohrer wrote: > > > Here is the output: > > > > [ 81.278842] SysRq : Changing Loglevel > > [ 81.279027] Loglevel set to 9 > > [ 83.285456] Initial want: 5000 rt_b->rt_runtime: 95000

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-10 Thread Mike Galbraith
On Thu, 2013-01-10 at 13:58 -0600, Shawn Bohrer wrote: > Here is the output: > > [ 81.278842] SysRq : Changing Loglevel > [ 81.279027] Loglevel set to 9 > [ 83.285456] Initial want: 5000 rt_b->rt_runtime: 95000 > rt_rq->rt_runtime: 9 > [ 85.286452] Initial want: 5000

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-10 Thread Shawn Bohrer
On Thu, Jan 10, 2013 at 05:13:11AM +0100, Mike Galbraith wrote: > On Tue, 2013-01-08 at 09:01 -0600, Shawn Bohrer wrote: > > On Tue, Jan 08, 2013 at 09:36:05AM -0500, Steven Rostedt wrote: > > > > > > > > I've also managed to reproduce this on 3.8.0-rc2 so it appears the bug > > > > is still

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-10 Thread Shawn Bohrer
On Thu, Jan 10, 2013 at 05:13:11AM +0100, Mike Galbraith wrote: On Tue, 2013-01-08 at 09:01 -0600, Shawn Bohrer wrote: On Tue, Jan 08, 2013 at 09:36:05AM -0500, Steven Rostedt wrote: I've also managed to reproduce this on 3.8.0-rc2 so it appears the bug is still present in the

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-10 Thread Mike Galbraith
On Thu, 2013-01-10 at 13:58 -0600, Shawn Bohrer wrote: Here is the output: [ 81.278842] SysRq : Changing Loglevel [ 81.279027] Loglevel set to 9 [ 83.285456] Initial want: 5000 rt_b-rt_runtime: 95000 rt_rq-rt_runtime: 9 [ 85.286452] Initial want: 5000

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-10 Thread Mike Galbraith
On Fri, 2013-01-11 at 06:22 +0100, Mike Galbraith wrote: On Thu, 2013-01-10 at 13:58 -0600, Shawn Bohrer wrote: Here is the output: [ 81.278842] SysRq : Changing Loglevel [ 81.279027] Loglevel set to 9 [ 83.285456] Initial want: 5000 rt_b-rt_runtime: 95000

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-09 Thread Mike Galbraith
On Tue, 2013-01-08 at 09:01 -0600, Shawn Bohrer wrote: > On Tue, Jan 08, 2013 at 09:36:05AM -0500, Steven Rostedt wrote: > > > > > > I've also managed to reproduce this on 3.8.0-rc2 so it appears the bug > > > is still present in the latest kernel. > > > > Shawn, > > > > Can you send me your

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-09 Thread Mike Galbraith
On Tue, 2013-01-08 at 09:01 -0600, Shawn Bohrer wrote: On Tue, Jan 08, 2013 at 09:36:05AM -0500, Steven Rostedt wrote: I've also managed to reproduce this on 3.8.0-rc2 so it appears the bug is still present in the latest kernel. Shawn, Can you send me your .config file.

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-08 Thread Shawn Bohrer
On Tue, Jan 08, 2013 at 09:36:05AM -0500, Steven Rostedt wrote: > > > > I've also managed to reproduce this on 3.8.0-rc2 so it appears the bug > > is still present in the latest kernel. > > Shawn, > > Can you send me your .config file. I've attached the 3.8.0-rc2 config that I used to

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-08 Thread Steven Rostedt
> > I've also managed to reproduce this on 3.8.0-rc2 so it appears the bug > is still present in the latest kernel. Shawn, Can you send me your .config file. Thanks, -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-08 Thread Mike Galbraith
On Mon, 2013-01-07 at 17:02 -0600, Shawn Bohrer wrote: > On Mon, Jan 07, 2013 at 11:58:18AM -0600, Shawn Bohrer wrote: > > On Sat, Jan 05, 2013 at 11:46:32AM -0600, Shawn Bohrer wrote: > > > I've tried reproducing the issue, but so far I've been unsuccessful > > > but I believe that is because my

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-08 Thread Mike Galbraith
On Mon, 2013-01-07 at 17:02 -0600, Shawn Bohrer wrote: On Mon, Jan 07, 2013 at 11:58:18AM -0600, Shawn Bohrer wrote: On Sat, Jan 05, 2013 at 11:46:32AM -0600, Shawn Bohrer wrote: I've tried reproducing the issue, but so far I've been unsuccessful but I believe that is because my RT tasks

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-08 Thread Steven Rostedt
I've also managed to reproduce this on 3.8.0-rc2 so it appears the bug is still present in the latest kernel. Shawn, Can you send me your .config file. Thanks, -- Steve -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-08 Thread Shawn Bohrer
On Tue, Jan 08, 2013 at 09:36:05AM -0500, Steven Rostedt wrote: I've also managed to reproduce this on 3.8.0-rc2 so it appears the bug is still present in the latest kernel. Shawn, Can you send me your .config file. I've attached the 3.8.0-rc2 config that I used to reproduce this in

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-07 Thread Shawn Bohrer
On Mon, Jan 07, 2013 at 11:58:18AM -0600, Shawn Bohrer wrote: > On Sat, Jan 05, 2013 at 11:46:32AM -0600, Shawn Bohrer wrote: > > I've tried reproducing the issue, but so far I've been unsuccessful > > but I believe that is because my RT tasks aren't using enough CPU > > cause borrowing from the

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-07 Thread Shawn Bohrer
On Sat, Jan 05, 2013 at 11:46:32AM -0600, Shawn Bohrer wrote: > I've tried reproducing the issue, but so far I've been unsuccessful > but I believe that is because my RT tasks aren't using enough CPU > cause borrowing from the other runqueues. Normally our RT tasks use > very little CPU so I'm

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-07 Thread Shawn Bohrer
On Sat, Jan 05, 2013 at 11:46:32AM -0600, Shawn Bohrer wrote: I've tried reproducing the issue, but so far I've been unsuccessful but I believe that is because my RT tasks aren't using enough CPU cause borrowing from the other runqueues. Normally our RT tasks use very little CPU so I'm not

Re: kernel BUG at kernel/sched_rt.c:493!

2013-01-07 Thread Shawn Bohrer
On Mon, Jan 07, 2013 at 11:58:18AM -0600, Shawn Bohrer wrote: On Sat, Jan 05, 2013 at 11:46:32AM -0600, Shawn Bohrer wrote: I've tried reproducing the issue, but so far I've been unsuccessful but I believe that is because my RT tasks aren't using enough CPU cause borrowing from the other

kernel BUG at kernel/sched_rt.c:493!

2013-01-05 Thread Shawn Bohrer
We recently managed to crash 10 of our test machines at the same time. Half of the machines were running a 3.1.9 kernel and half were running 3.4.9. I realize that these are both fairly old kernels but I've skimmed the list of fixes in the 3.4.* stable series and didn't see anything that appeared

kernel BUG at kernel/sched_rt.c:493!

2013-01-05 Thread Shawn Bohrer
We recently managed to crash 10 of our test machines at the same time. Half of the machines were running a 3.1.9 kernel and half were running 3.4.9. I realize that these are both fairly old kernels but I've skimmed the list of fixes in the 3.4.* stable series and didn't see anything that appeared